对采自我国南方燕山期五里亭花岗岩体中的褐帘石,经偏光显徽镜、电子探针仪、差热仪、X射线等方法进行分析得出,该矿物为变生褐帘石。
The metamict allanite from South China is studied by using microscopy , DTA and X-ray powder analyses .
五里亭立交桥设计及存在的问题
Design and existing problems of Wu Li Ting interchange